weed likes a lot of water, but it also like a lot of air in its roots. the trick is getting both at the same time. theres also the problem of nutrient salts building up in your pots if you don't have adequate drainage.
i would suggest you look into hempy buckets. they're my preferred growing style. the original uses 100% perlite, but i run 70% perlite, 30% pro-mix. i only need to water about every three days, and they drain into a pan. empty the pan and you're done for another 3 or 4 days.
i run 10 gallon totes, but you can run anything down to about 3 gallon and get good results. for the big ones i use an elbow and a piece of hose to keep them from draining till i want them to, just tip the elbow down into the drain pan. the smaller ones i just sit in a dish tub when i water, leave them there till they quit draining, then dump the dish tub.
Draining
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Not draining
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veg, drains into the tub
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the area below the drain acts as a reservoir, they call this a hybrid form of hydroponics, you get much faster growth than plain soil, not as good as DWC, but its a lot more stable than DWC, much less chance of catastrophic crop failure in hempy buckets